Revenue (Tables)

3 Months Ended

Mar. 31, 2018

Revenue From Contract With Customer [Abstract]

Summary of Revenue from Contracts with Customers on a Disaggregated Basis

In the first quarter of 2018, revenue from contracts with customers on a disaggregated basis was as follows:

	Exploration and Production												Midstream		Eliminations			Total
	United States			Europe		Africa		Asia		E&P Total
Revenues from sales of our net production volumes:
Crude oil revenue	$	593		$	33	$	99	$	43	$	768		$	—	$	—		$	768
Natural gas liquids revenue		71			—		—		—		71			—		—			71
Natural gas revenue		39			3		8		128		178			—		—			178
Revenue from sale of third-party purchased volumes		325			—		24		14		363			—		—			363
Intercompany  revenue		—			—		—		—		—			167		(167	)		—
Total revenues from contracts with customers		1,028			36		131		185		1,380			167		(167	)		1,380
Other operating revenue (a)		(34	)		—		—		—		(34	)		—		—			(34	)
Total sales and other operating revenues	$	994		$	36	$	131	$	185	$	1,346		$	167	$	(167	)	$	1,346

(a) Includes gains (losses) on commodity derivatives.